13. SEGMENT AND GEOGRAPHIC INFORMATION - Long-lived assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Net revenues and long-lived assets by geographic area
Long-lived assets	$ 8,119	$ 9,001
United States
Net revenues and long-lived assets by geographic area
Long-lived assets	7,340	7,707
Taiwan
Net revenues and long-lived assets by geographic area
Long-lived assets	369	854
Israel
Net revenues and long-lived assets by geographic area
Long-lived assets	$ 410	$ 440